Funding for this research was provided by:
Iran Drug Control Headquarter (15/1103348)
Received: 2 June 2018
Accepted: 13 November 2018
First Online: 6 December 2018
Ethics approval and consent to participate
: All participants signed a written consent. The research procedure was approved by the ethics review board of the Iran Drug Control Headquarter (IDCH) (number 15/1103348).
: Identifiable demographic information have been removed from this manuscript to ensure anonymity. Thus, the consent to publish is not applicable.
: The authors have no actual or potential conflicts of interest including any financial, personal or other relationships with other people or organizations within three years of beginning the work submitted that could inappropriately influence their work.
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